GSM Dialer is a free Android app developed by Keystone Electronics Limited that allows you to program and initiate certain actions with compatible GSM Auto Dialers from your Android phone. This app is mainly used within the Security and Environmental Monitoring Industry to notify you remotely via a voice message or SMS if an intrusion or event has occurred. Before downloading and using this app, it is important to check with your installer or supplier whether your GSM Auto Dialer is compatible with this app.

With GSM Dialer, you can perform various actions, such as turning on/off your Dialer remotely, activating one of the Dialer's outputs, programming up to 9 different telephone numbers the Dialer should call if one of its inputs is triggered, selecting all or just some of the 9 telephone numbers to be called according to which input has been triggered, creating different SMS messages that are sent out on each trigger, selecting whether regular test calls are made by the Dialer, and returning the Dialer to factory default settings.

Overall, GSM Dialer is a convenient solution for remote monitoring that offers a user-friendly interface and essential features for the Security and Environmental Monitoring Industry.